Patents by Inventor Yoshiyuki Umeno

Yoshiyuki Umeno has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Working machine, trouble diagnosis system of working machine, and maintenance system of working machine
    Patent number: 7079982
    Abstract: A working machine failure diagnosis method for performing a failure diagnosis by transmitting and receiving signals through communication devices provided at a working machine and at an information management center, according to the present invention, includes: a first step in which a first signal related to a failure of the working machine is generated at the working machine and the first signal is transmitted to the information management center from the working machine via the communication devices; a second step in which, after the first signal is transmitted, the information management center generates a second signal for identifying a location of the failure based upon the first signal and the second signal is then transmitted from the information management center to the working machine via the communication devices; and a third step in which failure information corresponding to the first signal and the second signal is provided to an operator.
    Type: Grant
    Filed: April 26, 2002
    Date of Patent: July 18, 2006
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Hiroshi Ogura, Hiroshi Watanabe, Genroku Sugiyama, Hideo Karasawa, Yoshiyuki Umeno, Osamu Tomikawa, Shuichi Miura, Kiyoshi Ono, Yasushi Ochiai
  • Working machine, trouble diagnosis system of working machine, and maintenance system of working machine
    Publication number: 20040186687
    Abstract: A working machine failure diagnosis method for performing a failure diagnosis by transmitting and receiving signals through communication devices provided at a working machine and at an information management center, according to the present invention, includes: a first step in which a first signal related to a failure of the working machine is generated at the working machine and the first signal is transmitted to the information management center from the working machine via the communication devices; a second step in which, after the first signal is transmitted, the information management center generates a second signal for identifying a location of the failure based upon the first signal and the second signal is then transmitted from the information management center to the working machine via the communication devices; and a third step in which failure information corresponding to the first signal and the second signal is provided to an operator.
    Type: Application
    Filed: May 13, 2004
    Publication date: September 23, 2004
    Inventors: Hiroshi Ogura, Hiroshi Watanabe, Genroku Sugiyama, Hideo Karasawa, Yoshiyuki Umeno, Osamu Tomikawa, Shuichi Miura, Kiyoshi Ono, Yasushi Ochiai, Koichi Shibata, Hiroyuki Adachi